Product Description Compatibility:SuperSpinSuperSpin taperedVarioSpinModels:1.5" : Outer Diameter: 52 mmInner Diameter: 40 mmManufacturer Number: 103887 1 1/8" : Outer Diameter: 41 mmInner Diameter: 30 mmManufacturer Number: 103870Contents:1 x Syntace spare bearings Weight: silver | 1.5": 31 g silver | 1 1/8": 19.6 g Manufacturer: Syntace GmbH Stefan-Flötzl-Straße 6 83342 Tacherting Germany syntace@syntace.de

